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Qi Liu
Beginner

Something About NAT

Hi team,
    Here's something about NAT . Network toponology is as below.
    The subnet 169.254.1.0/30 is only for connection between ISP and the customer.
    I want to do NAT to translate 10.1.1.2 to both 202.100.1.1 and 61.144.1.1 so that R1 can be accessed by two Internet addresses.
    Configuration is as below:
      interface fa 0/0
        ip add 169.254.1.2 255.255.255.252
        ip nat outside
      interface fa 0/1
        ip add 10.1.1.1 255.255.255.0
        ip nat inside
      ip route 0.0.0.0 0.0.0.0 169.254.1.1
      ip nat inside source static 10.1.1.2 202.100.1.1 extendable
      ip nat inside source static 10.1.1.2 61.144.1.1 extendable
    What I am confused is :
      If R1(10.1.1.2) wants to surf the Internet, which Internet address will it use ? Choose one randomly or use the other address only if all the ports of the one are exhausted.
    Wish somebody could help , thx.

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